GAO-14-290, Army Corps of Engineers: Actions Needed to.
The U.S. Army Corps of Engineers’ hopper dredge Essayons just finished vital maintenance dredging of the federal navigation channels in Honolulu, Barbers Point, Kahului, Hilo, and Nawiliwili commercial harbors. Hawaii is a maritime state over 2,400.
The Dredge Essayons is the latest dredge to be built for the U.S. Army Corps of Engineers. Delivered to the Portland District in 1983, the Essayons helps to maintain the entrance bars and harbors.
The U.S. Army Corps of Engineers hopper dredge Essayons and survey vessel Redlinger will welcome visitors beginning June 9. The largest ship in the Corps of Engineers’ dredge fleet, the hopper.
The USACE Portland District owns and operates the Hopper Dredge Essayons that will be covered by this MSRA. The Dredge Essayons is a trailing arm suction type Hopper Dredge that has an overall length of 350 feet, a beam of 68 feet with drag arms in cradle (108 ft with dragarms on dock), a Normal Light Draft Aft of 21 Feet, and is 7,248 Long tons.
The U.S. Army Corps of Engineers has approximately 34,000 dedicated Civilians and Soldiers delivering engineering services to customers in more than 90 countries worldwide. With environmental sustainability as a guiding principle, our disciplined Corps team is working diligently to strengthen our Nation’s security by building and maintaining America’s infrastructure and providing military.
The U.S. Army Corps of Engineers Marine Design Center requested that JMS conduct a stability and structural review of the 350 foot ocean hopper dredge ESSAYONS. The objective was to allow the vessel to load beyond its ABS Load Line when operating in protected waters. It was found that the vessel meets or exceeds the stability requirements; structurally however, one member fails to meet ABS.
A second Corps hopper dredge, the Essayons, is scheduled to arrive sometime in mid-April and work through early May to dredge the Grays Harbor Bar, Entrance and Point Chehalis reaches. The Essayons will place dredged materials at the South Beach nearshore beneficial use site and the Washington State Department of Natural Resources-managed Point Chehalis open water disposal sites.